2 × 3² × 20857

Prime Factor Structure

Factorization String 2 × 3^2 × 20857

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 813,462

Proper Divisor Sum 438,036

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #375413 ← → #375443

1 2 3 6 9 18 20,857 41,714 62,571 125,142 187,713 375,426

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

375,426 187,713 563,140 281,570 140,785 422,356 211,178 105,589 316,768 158,384 79,192 39,596 19,798 9,899 29,698 14,849 44,548 22,274 11,137 33,412 16,706 8,353 25,060 12,530 6,265 18,796 9,398 4,699 14,098 7,049 21,148 10,574 5,287 15,862 7,931 23,794 11,897 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589 67,768 33,884 16,942 8,471 25,414 12,707 38,122 19,061 57,184 28,592 14,296

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